Home / 28,054.76-38,719.32-27,131.66

Finding the Fourth Proportional to 28,054.76, 38,719.32 and 27,131.66

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Solution

The fourth proportional to 28,054.76, 38,719.32 and 27,131.66 is: 37,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.76 : 38,719.32 = 27,131.66 : x
  2. Step 2: Convert to fraction form
    28,054.76/38,719.32 = 27,131.66/x
  3. Step 3: Cross multiply
    28,054.76x = 38,719.32 × 27,131.66
  4. Step 4: Simplify right side
    28,054.76x = 1,050,519,275.53
  5. Step 5: Solve for x
    x = 1,050,519,275.53/28,054.76
  6. Step 6: Final answer
    x = 37,445.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.